package com.lin.gulimall.product.service.impl;


import com.lin.common.to.SkuReductionTo;
import com.lin.common.to.SpuBoundTo;
import com.lin.common.utils.R;
import com.lin.gulimall.product.entity.*;
import com.lin.gulimall.product.feign.CouponFeignService;
import com.lin.gulimall.product.service.*;
import com.lin.gulimall.product.vo.*;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.lin.common.utils.PageUtils;
import com.lin.common.utils.Query;

import com.lin.gulimall.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;

import javax.xml.crypto.Data;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {

    @Autowired
    SpuInfoDescService spuInfoDescService;

    @Autowired
    SpuImagesService imagesService;

    @Autowired
    AttrService attrService;

    @Autowired
    ProductAttrValueService productAttrValueService;

    @Autowired
    SkuInfoService skuInfoService;

    @Autowired
    SkuImagesService skuImagesService;

    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;

    @Autowired
    CouponFeignService couponFeignService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    @Transactional
    public void saveSupInfo(SpuSaveVo vo) {
        //1、保存spu基本信息 `pms_spu_info`  （看spuVo里面需要哪些就去找哪些表）
        SpuInfoEntity infoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo,infoEntity);
        infoEntity.setCreateTime(new Date());
        infoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(infoEntity);

        //2、保存spu的描述图片 `pms_spu_info_desc`
        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(infoEntity.getId());
        descEntity.setDecript(String.join(",",decript));
        spuInfoDescService.saveSpuInfoDesc(descEntity);

        //3、保存spu的图片集 `pms_spu_images`
        List<String> images = vo.getImages();
        imagesService.saveImages(infoEntity.getId(),images);
        //4、保存spu的规格参数 `pms_product_attr_value`
        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
            valueEntity.setAttrId(attr.getAttrId());
            AttrEntity id = attrService.getById(attr.getAttrId());
            valueEntity.setAttrName(id.getAttrName());
            valueEntity.setAttrValue(attr.getAttrValues());
            valueEntity.setQuickShow(attr.getShowDesc());
            valueEntity.setSpuId(infoEntity.getId());
            return valueEntity;
        }).collect(Collectors.toList());
        productAttrValueService.saveProductAttr(collect);
        //5、保存spu的积分信息：gulimall_sms ->sms-spu-bounds
        Bounds bounds = vo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds,spuBoundTo);
        spuBoundTo.setSpuId(infoEntity.getId());
        R r = couponFeignService.saveSpuBounds(spuBoundTo);
        if (r.getCode()!=0){
            log.error("远程保存spu积分信息失败。");
        }
        //5、保存当前spu对应的所有sku信息 （看skuVo里面要哪些就去找哪些表）

        List<Skus> skus = vo.getSkus();
        if(skus!=null && skus.size()>0){
            skus.forEach(item->{
                    String defaultImg = "";
                    for (Images image:item.getImages()) {
                        if (image.getDefaultImg()==1){
                            defaultImg = image.getImgUrl();
                        }
                    }

                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item,skuInfoEntity);
                skuInfoEntity.setSkuId(infoEntity.getBrandId());
                skuInfoEntity.setCatalogId(infoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(infoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImg);
                //5、1 sku的基本信息 `pms_sku_info`
                skuInfoService.saveSkuInfo(skuInfoEntity);

                Long skuId = skuInfoEntity.getSkuId();
                List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();

                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
                    return skuImagesEntity;
                }).filter(entity->!StringUtils.isEmpty(entity.getImgUrl())
                ).collect(Collectors.toList());
                //5、2 sku的图片信息 `pms_sku_images`
                // TODO 没有图片路径的无需保存
                skuImagesService.saveBatch(imagesEntities);
                //5、3 sku的销售属性信息 `pms_sku_sale_attr_value`
                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
                    SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a, attrValueEntity);
                    attrValueEntity.setSkuId(skuId);
                    return attrValueEntity;
                }).collect(Collectors.toList());
                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);
                //5、4 sku的优惠、满减信息: 跨库了 gulimall_sms ->`sms_sku_ladder``sms_sku_full_reduction``sms_spu_bounds`
                SkuReductionTo skuReductionTo = new SkuReductionTo();
                BeanUtils.copyProperties(item,skuReductionTo);
                skuReductionTo.setSkuId(skuId);
                if(skuReductionTo.getFullCount() >=0 && skuReductionTo.getFullPrice().compareTo(new BigDecimal("0"))==1){
                    R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                    if (r1.getCode()!=0){
                        log.error("远程保存sku优惠信息失败");
                    }
                }
            });
        }
    }

    @Override
    public void saveBaseSpuInfo(SpuInfoEntity infoEntity) {
        this.baseMapper.insert(infoEntity);
    }

    @Override
    public PageUtils queryPageBycondition(Map<String, Object> params) {
        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();

        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)){
            wrapper.and(w->w.eq("id",key).or().like("spu_name",key));
        }
        String status = (String) params.get("publish_status");
        if (!StringUtils.isEmpty(status)) {
            wrapper.eq("publish_status",status);
        }
        String brandId = (String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId)&& !"0".equalsIgnoreCase(brandId)){
            wrapper.eq("brand_id",brandId);
        }
        String catalogId = (String) params.get("catalogId");
        if (!StringUtils.isEmpty(catalogId)&& !"0".equalsIgnoreCase(catalogId)){
            wrapper.eq("catalog_id",catalogId);
        }


        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                wrapper
        );
        return new PageUtils(page);
    }

    @Override
    public void up(Long spuId) {

    }
}